﻿package away3d.materials{    import away3d.core.draw.*;    /**    * Interface for fog filter materials    */    public interface IFogMaterial extends ITriangleMaterial    {    	/**    	 * Determines the alpha value of the material    	 */    	function get alpha():Number;    	function set alpha(val:Number):void;    	    	/**    	 * Sends the material data coupled with data from the DrawFog primitive to the render session    	 */		function renderFog(fog:DrawFog):void;				/**		 * Duplicates the material's properties to another <code>IFogMaterial</code> object		 * 		 * @return			The new object instance with duplicated properties applied		 */		function clone():IFogMaterial;	}}